<?php
/**
 * trim and remove empty element
 *
 * @param string $element
 * @return string
 */
function _delete_empty_element( &$element ) {
	$element = stripslashes($element);
	$element = trim($element);
	if ( !empty($element) ) {
		return $element;
	}
}

/**
 * Test if page have tags or not...
 *
 * @return boolean
 * @author Amaury Balmer
 */
function is_page_have_tags() {
	$taxonomies = get_object_taxonomies('page');
	if ( in_array('post_tag', $taxonomies) ) {
		return true;
	}
	
	return false;
}